obama. a big day as you look ought over the lectern there will be people from around the world and the country in a packed area. millions will be watching around the world on this dedication of the library. special report continues after the break. ♪ [ male announcer ] purpose elevates what we do. raises it to a more meaningful place. makes us live what we do, love what we do and fills our work with rewarding possibility. aarp connects you to a community of experienced workers and has tools to help you find what you're good at. an ally for real possibilities. aarp. go to aarp.org/possibilities. >>> whatever jurors were expecting from the defense in the murder trial of a philadelphia abortion doctor, what they got today wasn't it. correspondent shannon breen has a report which contains some disturbing material. >> reporter: an unexpected development today as the defense rested in the kermit goznel case without presenting a single witness. the surprising move came off the prosecution came af